different between japanese vs ryukyuan

japanese

japanese From the web:

• what japanese name means death
• what japanese name means moon
• what japanese name means shadow
• what japanese say before eating
• what japanese name means fire
• what japanese name means demon
• what japanese name means light
• what japanese is used in anime

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ryukyuan

ryukyuan From the web:

• what does ryukyuan mean
• what is ryukyuans known for
• what are the ryukyuan languages